名词
中文翻译：螺旋桨
同义词：
['propeller', "propulsion device例句：1. The ship's protrochula was damaged during the storm.（在暴风雨中，船的螺旋桨受损了。）2. The pilot used his protrochula to turn the plane around.（飞行员使用他的螺旋桨来使飞机转弯。）"]
例句：
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1. The ship's protrochula was damaged during the storm.
在暴风雨中，船的螺旋桨受损了。
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2. The pilot used his protrochula to turn the plane around.
飞行员使用他的螺旋桨来使飞机转弯。
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3.The protrochula is responsible for the ship's forward motion.
螺旋桨负责推动船只前进。